Portable, battery, power source



FIG. 1 is a front and upper right perspective view of a portable,battery, power source showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

The ornamental design for a portable, battery, power source, as shown.